Q296. Consider the following statements: A person in a spaceship located half way between the earth and the sun will notice that the: (1) The sky is jet black. (2) stars do not twinkle. (3) The temperature outside the spaceship is much higher than that on the surface of the earth. Of these statements:

Consider the following statements: 1. Size of the sun at dusk 2. Colour of the sun at dawn 3. Moon being visible at dawn 4. Twinkle of stars in the sky 5. Poles

Normally, the temperature decreases with the increase in height from the Earth’s surface, because : 1. The atmosphere can be heated upwards only from the Earth’

With reference to the Earth’s atmosphere, which one of the following statements is correct?

Consider the following statements: 1. Light is affected by gravity. 2. The Universe is constantly expanding. 3. Matter warps its surrounding space-time. Which o

Consider the following statements in respect of a jet engine and a rocket: 1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable f

Consider the following statements regarding asteroids: 1. Asteroids are rocky debris of varying size orbiting the sun 2. Most of the asteroids are small but som

Consider the following statements : 1. The axis of the earth’s magnetic field is inclined at 23 and half to the geographic axis of the earth. 2. The earth’s mag

Consider the following statements: 1. The Earth’s magnetic field has reversed every few hundred thousand years. 2. When the Earth was created more than 4000 mil

Consider the following statements: 1. If a person looks at a coin which is in a bucket of water, the coin will appear to be closer than it really is. 2. If a pe

Which is the difference between asteroids and comets? 1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky an

With reference to India’s satellite launch vehicles, consider the following statements: 1. PSLVs launch the satellite useful for Earth resources monitoring wher

Consider the following statements : 1. The albedo of an object determines its visual brightness when viewed with reflected light. 2. The albedo of Mercury is mu

Consider the following statements : 1. High clouds primarily reflect solar radiation and cool the surface of the Earth. 2. Low clouds have a high absorption of

The jet aircraft fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in th

Consider the following statements : 1. Jet streams occur in the Northern Hemisphere only. 2. Only some cyclones develop an eye. 3. The temperature inside the ey

Consider the following statements: 1. Steam at 100°C and boiling water at 100°C contain the same amount of heat. 2. Latent heat of fusion of ice is equal to the

Consider the following statements: 1. Some microorganisms can grow in environments with temperature above the boiling point of water. 2. Some microorganisms can

Consider the following statements: An ordinary light bulb has a rather short life because the: 1. filament wire is not uniform. 2. bulb cannot be evacuated comp

Consider the following statements in respect of India advanced satellite INSAT–4A: 1. INSAT-4A was launched in December, 2005 from New Mexico. 2. The

A ‘black hole’ is a body in space which does not allow any radiation to come out. This property is due to its:

The tail of a comet is directed away from the sun because:

Consider the following statements: At the present level of technology available in India, solar energy can be conveniently used to: 1. Supply hot wate

"Membrane Bioreactors" are often discussed in the context of:

Which one of the following is synthesised in the human body that dilates blood vessels and increases blood flow?

Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking

Which one of the following words/phrases is most appropriately used to denote “an interoperable network of 3D virtual worlds that can be accessed simu